Granted Patent
Utility
US 4,923,716 · App. 07/248,651
Chemical vapor desposition of silicon carbide
Inventors:
Duncan W. Brown, James D. Parsons
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Sep 26, 1988
Inventors
Duncan W. Brown
James D. Parsons
Assignee (at issue)
Hughes Aircraft Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.